Though their relationship was known about, very few details were known about their romance other than that it ended badly.
For example, the comedian had a very publicized relationship with Bill Murray during the time the two worked together.
Another reason some may have opted out of appearing in the doc was that Gilda Radner’s impact on the Saturday Night Live cast may have been more substantial for some than others.
After Radner’s death in 1989, it was Wilder who carried out her personal wish to create organizations that helped folks with cancer, and ultimately led D’Apolito (who was working for one of those organizations) to make Love, Gilda.